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30206703 = 322943969
BaseRepresentation
bin111001100111…
…0101011101111
32002211122210210
41303032223233
530213103303
62555233503
7514516122
oct163165357
962748723
1030206703
111606181a
12a148893
1363480b7
1440243b9
1529ba203
hex1cceaef

30206703 has 8 divisors (see below), whose sum is σ = 40452400. Its totient is φ = 20049408.

The previous prime is 30206653. The next prime is 30206711. The reversal of 30206703 is 30760203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-30206703 is a prime.

It is a super-2 number, since 2×302067032 = 1824889812260418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30206703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30206723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21298 + ... + 22671.

It is an arithmetic number, because the mean of its divisors is an integer number (5056550).

Almost surely, 230206703 is an apocalyptic number.

30206703 is a deficient number, since it is larger than the sum of its proper divisors (10245697).

30206703 is a wasteful number, since it uses less digits than its factorization.

30206703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44201.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 30206703 is about 5496.0624996446. The cubic root of 30206703 is about 311.4352559176.

Adding to 30206703 its reverse (30760203), we get a palindrome (60966906).

The spelling of 30206703 in words is "thirty million, two hundred six thousand, seven hundred three".

Divisors: 1 3 229 687 43969 131907 10068901 30206703